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Mirrors > Home > MPE Home > Th. List > im2anan9 | Structured version Visualization version GIF version |
Description: Deduction joining nested implications to form implication of conjunctions. (Contributed by NM, 29-Feb-1996.) |
Ref | Expression |
---|---|
im2an9.1 | ⊢ (𝜑 → (𝜓 → 𝜒)) |
im2an9.2 | ⊢ (𝜃 → (𝜏 → 𝜂)) |
Ref | Expression |
---|---|
im2anan9 | ⊢ ((𝜑 ∧ 𝜃) → ((𝜓 ∧ 𝜏) → (𝜒 ∧ 𝜂))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | im2an9.1 | . . 3 ⊢ (𝜑 → (𝜓 → 𝜒)) | |
2 | 1 | adantr 480 | . 2 ⊢ ((𝜑 ∧ 𝜃) → (𝜓 → 𝜒)) |
3 | im2an9.2 | . . 3 ⊢ (𝜃 → (𝜏 → 𝜂)) | |
4 | 3 | adantl 481 | . 2 ⊢ ((𝜑 ∧ 𝜃) → (𝜏 → 𝜂)) |
5 | 2, 4 | anim12d 584 | 1 ⊢ ((𝜑 ∧ 𝜃) → ((𝜓 ∧ 𝜏) → (𝜒 ∧ 𝜂))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 |
This theorem depends on definitions: df-bi 196 df-an 385 |
This theorem is referenced by: im2anan9r 877 trin 4691 somo 4993 xpss12 5148 f1oun 6069 poxp 7176 soxp 7177 brecop 7727 ingru 9516 genpss 9705 genpnnp 9706 tgcl 20584 txlm 21261 icorempt2 32375 ax12eq 33244 ax12el 33245 31wlkdlem4 41329 |
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